Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Aileron Therapeutics, Inc. (ALRN) since 2017 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Aileron Therapeutics, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1420565.
Total stock buying since 2017: $49,662,420.
Total stock sales since 2017: $4,458,704.
Total stock option exercises since 2017: $0.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2024 | 400 | $898 | 74,744 | $282,625 | 0 | $0 |
| 2023 | 5,301 | $10,747 | 0 | $0 | 0 | $0 |
| 2021 | 9,000,000 | $9,900,000 | 0 | $0 | 0 | $0 |
| 2020 | 3,933,072 | $4,327,075 | 0 | $0 | 0 | $0 |
| 2019 | 363,330 | $262,380 | 317,488 | $627,702 | 0 | $0 |
| 2018 | 16,000 | $56,790 | 561,943 | $3,548,377 | 0 | $0 |
| 2017 | 2,340,302 | $35,104,530 | 0 | $0 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2024-12 | 400 | $898 | 0 | $0 | 0 | $0 |
| 2024-06 | 0 | $0 | 43,593 | $143,164 | 0 | $0 |
| 2024-05 | 0 | $0 | 20,315 | $85,607 | 0 | $0 |
| 2024-04 | 0 | $0 | 10,836 | $53,854 | 0 | $0 |
| 2023-12 | 225 | $758 | 0 | $0 | 0 | $0 |
| 2023-11 | 5,076 | $9,989 | 0 | $0 | 0 | $0 |
| 2021-01 | 9,000,000 | $9,900,000 | 0 | $0 | 0 | $0 |
| 2020-06 | 3,933,072 | $4,327,075 | 0 | $0 | 0 | $0 |
| 2019-11 | 74,894 | $38,592 | 0 | $0 | 0 | $0 |
| 2019-09 | 149,836 | $136,551 | 0 | $0 | 0 | $0 |
| 2019-08 | 138,600 | $87,237 | 0 | $0 | 0 | $0 |
| 2019-04 | 0 | $0 | 20,610 | $39,159 | 0 | $0 |
| 2019-03 | 0 | $0 | 296,878 | $588,543 | 0 | $0 |
| 2018-08 | 10,000 | $24,500 | 65,143 | $158,008 | 0 | $0 |
| 2018-07 | 0 | $0 | 77,455 | $312,187 | 0 | $0 |
| 2018-06 | 6,000 | $32,290 | 161,441 | $926,342 | 0 | $0 |
| 2018-04 | 0 | $0 | 107,904 | $681,390 | 0 | $0 |
| 2018-01 | 0 | $0 | 150,000 | $1,470,450 | 0 | $0 |
| 2017-07 | 2,340,302 | $35,104,530 | 0 | $0 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2024-12-05 | Windsor James Brian (President and CEO) | Buy | 400 | 2.25 | 898 |
| 2024-06-17 | University Of Texas/texas Am Investment Management Co (10% Owner) | Sale | 4,707 | 3.25 | 15,297 |
| 2024-06-14 | University Of Texas/texas Am Investment Management Co (10% Owner) | Sale | 1,900 | 3.30 | 6,270 |
| 2024-06-12 | University Of Texas/texas Am Investment Management Co (10% Owner) | Sale | 9,342 | 3.26 | 30,482 |
| 2024-06-11 | University Of Texas/texas Am Investment Management Co (10% Owner) | Sale | 5,752 | 3.30 | 18,981 |
| 2024-06-10 | University Of Texas/texas Am Investment Management Co (10% Owner) | Sale | 9,577 | 3.30 | 31,604 |
| 2024-06-07 | University Of Texas/texas Am Investment Management Co (10% Owner) | Sale | 1,740 | 3.27 | 5,698 |
| 2024-06-06 | University Of Texas/texas Am Investment Management Co (10% Owner) | Sale | 4,284 | 3.29 | 14,072 |
| 2024-06-05 | University Of Texas/texas Am Investment Management Co (10% Owner) | Sale | 6,291 | 3.30 | 20,760 |
| 2024-05-01 | University Of Texas/texas Am Investment Management Co (10% Owner) | Sale | 20,315 | 4.21 | 85,607 |
| 2024-04-30 | University Of Texas/texas Am Investment Management Co (10% Owner) | Sale | 90 | 4.97 | 447 |
| 2024-04-29 | University Of Texas/texas Am Investment Management Co (10% Owner) | Sale | 10,746 | 4.97 | 53,407 |
| 2023-12-15 | Windsor James Brian (President and COO) | Buy | 225 | 3.37 | 758 |
| 2023-11-20 | Windsor James Brian (President and COO) | Buy | 5,076 | 1.97 | 9,989 |
| 2021-01-08 | Satter Muneer A (See Remarks) | Buy | 9,000,000 | 1.10 | 9,900,000 |
| 2020-06-15 | Ambros Reinhard J. (Director) | Buy | 5,800 | 1.22 | 7,076 |
| 2020-06-08 | Satter Muneer A (Director) | Buy | 3,700,000 | 1.10 | 4,070,000 |
| 2020-06-08 | Von Rickenbach Josef H (Director) | Buy | 227,272 | 1.10 | 249,999 |
| 2019-11-15 | Bailey Jeffrey Allen (Director) | Buy | 39,142 | .51 | 19,962 |
| 2019-11-14 | Bailey Jeffrey Allen (Director) | Buy | 15,858 | .51 | 8,087 |
| 2019-11-12 | Bailey Jeffrey Allen (Director) | Buy | 19,894 | .53 | 10,543 |
| 2019-09-13 | Von Rickenbach Josef H (Director) | Buy | 25,000 | .97 | 24,250 |
| 2019-09-12 | Von Rickenbach Josef H (Director) | Buy | 88,145 | .98 | 86,293 |
| 2019-09-04 | Von Rickenbach Josef H (Director) | Buy | 23,225 | .71 | 16,582 |
| 2019-09-03 | Von Rickenbach Josef H (Director) | Buy | 13,466 | .70 | 9,426 |
| 2019-08-30 | Von Rickenbach Josef H (Director) | Buy | 15,000 | .73 | 10,965 |
| 2019-08-29 | Von Rickenbach Josef H (Director) | Buy | 3,600 | .77 | 2,772 |
| 2019-08-16 | Vukovic Vojo (SVP, Chief Medical Officer) | Buy | 75,000 | .59 | 44,475 |
| 2019-08-13 | Gregory Kathryn (SVP, Chief Business Officer) | Buy | 45,000 | .65 | 29,025 |
| 2019-04-01 | Novartis Ag (10% Owner) | Sale | 20,610 | 1.90 | 39,159 |
| 2019-03-29 | Novartis Ag (10% Owner) | Sale | 106,540 | 1.85 | 197,099 |
| 2019-03-15 | Novartis Ag (10% Owner) | Sale | 43,800 | 1.92 | 84,096 |
| 2019-03-14 | Novartis Ag (10% Owner) | Sale | 13,800 | 1.88 | 25,944 |
| 2019-03-13 | Novartis Ag (10% Owner) | Sale | 132,738 | 2.12 | 281,404 |
| 2018-08-20 | Novartis Ag (10% Owner) | Sale | 20,388 | 2.30 | 46,892 |
| 2018-08-17 | Novartis Ag (10% Owner) | Sale | 8,700 | 2.10 | 18,270 |
| 2018-08-16 | Novartis Ag (10% Owner) | Sale | 8,808 | 2.10 | 18,496 |
| 2018-08-15 | Novartis Ag (10% Owner) | Sale | 2,635 | 2.15 | 5,665 |
| 2018-08-14 | Novartis Ag (10% Owner) | Sale | 3,300 | 2.26 | 7,457 |
| 2018-08-13 | Novartis Ag (10% Owner) | Sale | 1,600 | 2.36 | 3,776 |
| 2018-08-10 | Longenecker John P Phd (President and CEO) | Buy | 10,000 | 2.45 | 24,500 |
| 2018-08-10 | Novartis Ag (10% Owner) | Sale | 5,615 | 2.44 | 13,700 |
| 2018-08-09 | Novartis Ag (10% Owner) | Sale | 235 | 2.48 | 582 |
| 2018-08-08 | Novartis Ag (10% Owner) | Sale | 1,000 | 2.78 | 2,780 |
| 2018-08-07 | Novartis Ag (10% Owner) | Sale | 1,739 | 2.97 | 5,164 |
| 2018-08-06 | Novartis Ag (10% Owner) | Sale | 2,942 | 3.02 | 8,884 |
| 2018-08-01 | Novartis Ag (10% Owner) | Sale | 8,181 | 3.22 | 26,342 |
| 2018-07-31 | Novartis Ag (10% Owner) | Sale | 4,500 | 3.07 | 13,815 |
| 2018-07-30 | Novartis Ag (10% Owner) | Sale | 2,000 | 3.27 | 6,540 |
| 2018-07-27 | Novartis Ag (10% Owner) | Sale | 6,458 | 3.38 | 21,828 |
| 2018-07-26 | Novartis Ag (10% Owner) | Sale | 7,937 | 3.63 | 28,811 |
| 2018-07-25 | Novartis Ag (10% Owner) | Sale | 12,460 | 3.84 | 47,846 |
| 2018-07-24 | Novartis Ag (10% Owner) | Sale | 700 | 4.11 | 2,877 |
| 2018-07-23 | Novartis Ag (10% Owner) | Sale | 30,600 | 4.25 | 130,050 |
| 2018-07-17 | Novartis Ag (10% Owner) | Sale | 12,500 | 4.71 | 58,875 |
| 2018-07-16 | Novartis Ag (10% Owner) | Sale | 300 | 5.15 | 1,545 |
| 2018-06-26 | Apple Tree Partners Ii Lp (10% Owner) | Sale | 10,528 | 5.46 | 57,430 |
| 2018-06-25 | Apple Tree Partners Ii Lp (10% Owner) | Sale | 913 | 5.86 | 5,352 |
| 2018-06-22 | Apple Tree Partners Ii Lp (10% Owner) | Sale | 94,816 | 5.98 | 566,715 |
| 2018-06-21 | Apple Tree Partners Ii Lp (10% Owner) | Sale | 1,447 | 5.30 | 7,669 |
| 2018-06-20 | Apple Tree Partners Ii Lp (10% Owner) | Sale | 5,200 | 5.30 | 27,565 |
| 2018-06-19 | Apple Tree Partners Ii Lp (10% Owner) | Sale | 139 | 5.30 | 736 |
| 2018-06-18 | Apple Tree Partners Ii Lp (10% Owner) | Sale | 1,432 | 5.35 | 7,661 |
| 2018-06-15 | Apple Tree Partners Ii Lp (10% Owner) | Sale | 7,961 | 5.32 | 42,344 |
| 2018-06-12 | Apple Tree Partners Ii Lp (10% Owner) | Sale | 10,843 | 5.40 | 58,563 |
| 2018-06-11 | Apple Tree Partners Ii Lp (10% Owner) | Sale | 18,525 | 5.41 | 100,238 |
| 2018-06-08 | Dougherty Donald (SVP & Chief Financial Officer) | Buy | 3,000 | 5.40 | 16,200 |
| 2018-06-08 | Apple Tree Partners Ii Lp (10% Owner) | Sale | 9,617 | 5.40 | 51,960 |
| 2018-06-07 | Apple Tree Partners Ii Lp (10% Owner) | Sale | 20 | 5.47 | 109 |
| 2018-06-06 | Aivado Manuel (See Remarks) | Buy | 1,000 | 5.61 | 5,610 |
| 2018-06-01 | Dougherty Donald (SVP & Chief Financial Officer) | Buy | 2,000 | 5.24 | 10,480 |
| 2018-04-19 | Apple Tree Partners Ii Lp (10% Owner) | Sale | 104,799 | 6.29 | 659,500 |
| 2018-04-17 | Apple Tree Partners Ii Lp (10% Owner) | Sale | 3,105 | 7.05 | 21,890 |
| 2018-01-09 | Apple Tree Partners Ii Lp (10% Owner) | Sale | 150,000 | 9.80 | 1,470,450 |
| 2017-07-05 | Aju Ib Investment Co., Ltd. (10% Owner) | Buy | 24,929 | 15.00 | 373,935 |
| 2017-07-05 | Gallagher Brian M. Jr. (Director) | Buy | 273,333 | 15.00 | 4,099,995 |
| 2017-07-05 | Sigma Emerging Markets Ltd. (10% Owner) | Buy | 190,000 | 15.00 | 2,850,000 |
| 2017-07-05 | Ambros Reinhard J. (Director) | Buy | 266,667 | 15.00 | 4,000,005 |
| 2017-07-05 | Kapnick Scott (Director) | Buy | 225,973 | 15.00 | 3,389,595 |
| 2017-07-05 | Kck Ltd. (10% Owner) | Buy | 200,000 | 15.00 | 3,000,000 |
| 2017-07-05 | Shanafelt Armen (Director) | Buy | 250,000 | 15.00 | 3,750,000 |
| 2017-07-05 | Hall Steven Edward (Other) | Buy | 250,000 | 15.00 | 3,750,000 |
| 2017-07-05 | Excel Medical Ventures, Llc (10% Owner) | Buy | 60,000 | 15.00 | 900,000 |
| 2017-07-05 | Satter Muneer A (10% Owner) | Buy | 33,333 | 15.00 | 499,995 |
| 2017-07-05 | Novartis Ag (10% Owner) | Buy | 266,667 | 15.00 | 4,000,005 |
| 2017-07-05 | Cvf, Llc (10% Owner) | Buy | 180,000 | 15.00 | 2,700,000 |
| 2017-07-05 | Roche Finance Ltd (10% Owner) | Buy | 119,400 | 15.00 | 1,791,000 |
Insider trading activities including stock purchases, stock sales, and option exercises of ALRN listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Aileron Therapeutics, Inc. (symbol ALRN, CIK number 1420565) see the Securities and Exchange Commission (SEC) website.